Quarter	US dollars
2004-12-31	407
2005-03-31	473
2005-06-30	398
2005-09-30	373
2005-12-31	422
2006-03-31	470
2006-06-30	294
2006-09-30	278
2006-12-31	335
2007-03-31	320
2007-06-30	309
2007-09-30	363
2007-12-31	398
2008-03-31	427
2008-06-30	398
2008-09-30	396
2008-12-31	410
2009-03-31	353
2009-06-30	354
2009-09-30	369
2009-12-31	370
2010-03-31	338
2010-06-30	329
2010-09-30	386
2010-12-31	401
2011-03-31	401
2011-06-30	432
2011-09-30	464
2011-12-31	498
2012-03-31	674
2012-06-30	731
2012-09-30	840
2012-12-31	758
2013-03-31	800
2013-06-30	813
2013-09-30	711
2013-12-31	701
2014-03-31	755
2014-06-30	817
2014-09-30	843
2014-12-31	904
2015-03-31	698
2015-06-30	620
2015-09-30	663
2015-12-31	665
2016-03-31	651
2016-06-30	651
2016-09-30	647
2016-12-31	749
2017-03-31	926
2017-06-30	839
2017-09-30	869
2017-12-31	731
2018-03-31	686
2018-06-30	725
2018-09-30	695
2018-12-31	709
2019-03-31	704
2019-06-30	708
2019-09-30	680
2019-12-31	663
2020-03-31	687
2020-06-30	733
2020-09-30	667
2020-12-31	681
2021-03-31	675
2021-06-30	750
2021-09-30	631
2021-12-31	549
2022-03-31	536
2022-06-30	573
2022-09-30	610
2022-12-31	591
2023-03-31	578
2023-06-30	556
2023-09-30	581